For startups, 2009 was a good year. More than 20 companies launched at that time, including Uber, Slack, Pinterest, and Blue Apron, eventually achieved $1 billion-plus valuations. Given that those companies were all venture-financed and emerged from Silicon Valley, you might assume that the key ingredients that have ensured their success were cutting-edge technologies, digital platforms, and customer bases that were chiefly made up of digital natives. You would be wrong.